04 The Chromosome Theory And Linkage
9 Questions
| Total Attempts: 199
Like the title says, the chromosome theory and linkage.
Questions and Answers
- 1.Chromosomes were discovered by: (I don't think we didn't cover this one this year, 2010)
- A.
Walter Sutton and Theodor Boveri
- B.
T. H. Morgan and Calvin Bridges
- C.
Walter Flemming
- D.
Ian Flemming
- E.
Andy Westmoreland
- 2.The last names of the two scientists who proposed the Chromosome Theory in 1902 are Boveri and _______.
- 3.Sutton and Boveri noticed this correlation between chromosome behavior and gene behavior:
- A.
Chromosomes and genes both occur in pairs.
- B.
Pair of chromosomes and pairs of genes both separate during gamete formation.
- C.
The separation of chromosome pairs and of gene pairs are both independent.
- D.
All of the above.
- E.
None of the above.
- 4.A white-eyed Drosophila male receive its white-eye gene from its ________.
- 5.A Drosophila female that is heterozygous for the white-eye gene is crossed with a white-eyed male. What percent of the progeny (male and female) will be white eyed? ___%
- 6.A homozygous dominant plant for three genes (A, B, C) was crossed with a homozygous recessive plant for these genes. The F1 generation plants were then test crossed with homozygous recessive plants. The phenotypes and number of plants of the next generation are shown below. ABC 390 ABc 97 AbC 12 Abc 2 aBC 3 aBc 13 abC 98 abc 385 Total 1000 The correct gene order is _______ (use all capital letters).
- 7.The progeny of the cross AaBb x aabb are: AaBb = 45; Aabb = 5; aaBb = 5; aabb = 45. These two gene are:
- A.
On different chromosome pairs
- B.
5 cM apart.
- C.
10 cM apart.
- D.
45 cM apart.
- E.
90 cM apart.
- 8.
![A somatic cell hybridization experiment was performed and three hybrid cell lines were produced (23, 34, and 41). In each line, the chart shows which human chromosomes remained. The far right of the table shows + if the gene product of gene A, B, and C is present in the cells. The gene for B is on chromosome number ________. - ProProfs]( "A somatic cell hybridization experiment was performed and three hybrid cell lines were produced (23, 34, and 41). In each line, the chart shows which human chromosomes remained. The far right of the table shows + if the gene product of gene A, B, and C is present in the cells. The gene for B is on chromosome number ________.")
A somatic cell hybridization experiment was performed and three hybrid cell lines were produced (23, 34, and 41). In each line, the chart shows which human chromosomes remained. The far right of the table shows + if the gene product of gene A, B, and C is present in the cells. The gene for B is on chromosome number ________. - 9.A _______ score is used to calculate linkage from pedigrees.
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